Home / 13,837.59-19,090.44-7,786.44

Finding the Fourth Proportional to 13,837.59, 19,090.44 and 7,786.44

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Solution

The fourth proportional to 13,837.59, 19,090.44 and 7,786.44 is: 10,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.59 : 19,090.44 = 7,786.44 : x
  2. Step 2: Convert to fraction form
    13,837.59/19,090.44 = 7,786.44/x
  3. Step 3: Cross multiply
    13,837.59x = 19,090.44 × 7,786.44
  4. Step 4: Simplify right side
    13,837.59x = 148,646,565.63
  5. Step 5: Solve for x
    x = 148,646,565.63/13,837.59
  6. Step 6: Final answer
    x = 10,742.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.